Answer:
We <em>fail to reject H₀ </em>as there is insufficient evidence at 0.5% level of significance to conclude that the mean hours of TV watched per day differs from the claim.
Step-by-step explanation:
This is a two-tailed test.
We first need to calculate the test statistic. The test statistic is calculated as follows:
Z_calc = X - μ₀ / (s /√n)
where
- X is the mean number of hours
- μ₀ is the mean that the sociologist claims is true
- s is the standard deviation
- n is the sample size
Therefore,
Z_calc = (3.02 - 3) / (2.64 /√(1326))
= 0.2759
Now we have to calculate the z-value. The z-value is calculated as follows:
z_α/2 = z_(0.05/2) = z_0.025
Using the p-value method:
P = 1 - α/2
= 1 - 0.025
= 0.975
Thus, using the positive z-table, you will find that the z-value is
1.96.
Therefore, we reject H₀ if | Z_calc | > z_(α/2)
Thus, since
| Z_calc | < 1.96, we <em>fail to reject H₀ </em>as there is insufficient evidence at 0.5% level of significance to conclude that the mean hours of TV watched per day differs from the claim.
Answer:
19 bags
Step-by-step explanation:
52 x 9=468 pounds of food
468 / 25=18.72 or 19 bags
Answer:
It is A
Step-by-step explanation:
We you divide, you multiply the reporical of the second term for example when I say
I also mean
So it is the same concept but in more complicated way
You flip the second term
Then you multiply the numerator and you will get
Which is found in A,but you will need to multiply the denominator in case if the choices have the same numerator
The denominator. Equals to
Question: What is the rat unit of 1700 and 40=> Since you have not given me the unit of meaure to use in the said unit rate. I will no longer tackle something about it. I will only show you how it works.=> Let say 1 700 is the number we need to divide by 40.=> 40 is our divisor then=> 1 700 / 40 = 42.5 let say 1 700 is the amount you receive in 4o days <span>Thus in everyday you receive 42.5 / day</span>
